/*
 * Licensed to Crate under one or more contributor license agreements.
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.  Crate licenses this file
 * to you under the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.  You may
 * obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
 * implied.  See the License for the specific language governing
 * permissions and limitations under the License.
 *
 * However, if you have executed another commercial license agreement
 * with Crate these terms will supersede the license and you may use the
 * software solely pursuant to the terms of the relevant commercial
 * agreement.
 */

package io.crate.sql.tree;

import java.util.Locale;

public enum ColumnPolicy {
    DYNAMIC,
    STRICT,
    IGNORED;

    public String lowerCaseName() {
        return name().toLowerCase(Locale.ENGLISH);
    }

    public static ColumnPolicy of(String value) {
        switch (value.toLowerCase(Locale.ENGLISH)) {
            case "dynamic":
                return DYNAMIC;

            case "strict":
                return STRICT;

            case "ignored":
                return IGNORED;

            default:
                throw new IllegalArgumentException(
                    "Invalid column policy: " + value + " use one of [dynamic, strict, ignored]");
        }
    }
}
